How To Fix DD_MT_SHARING_CHK001 - Writable DB View has no or more than one base table

SAP Error Message - Details

• Message type: E = Error

• Message class: DD_MT_SHARING_CHK - DDIC Multi Tenancy Sharing: Messages

• Message number: 001

• Message text: Writable DB View has no or more than one base table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DD_MT_SHARING_CHK001 - Writable DB View has no or more than one base table ?

  The SAP error message DD_MT_SHARING_CHK001 indicates that a writable database view has either no base table or more than one base table associated with it. This situation arises when the system attempts to create or modify a database view that does not meet the requirements for being writable.
  Cause:
  
  No Base Table: The view is defined without any underlying base tables, which means there is no data source for the view to write to.
  More Than One Base Table: The view is defined with multiple base tables, which complicates the process of determining where to write the data, as the system cannot ascertain which table should be updated.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the View Definition:
  
  Go to the Data Dictionary (transaction SE11) and check the definition of the database view that is causing the error.
  Ensure that the view is based on a single base table if it is intended to be writable.
  
  
  
  Modify the View:
  
  If the view has no base tables, you need to define at least one base table.
  If the view has multiple base tables, consider redesigning the view to include only one base table or create separate views for each base table if necessary.
  
  
  
  Use a Different Type of View:
  
  If you need to combine data from multiple tables and still want to perform write operations, consider using a different approach, such as using a table with foreign keys or creating a more complex data model that allows for data manipulation.
  
  
  
  Check for Read-Only Views:
  
  If the view is intended to be read-only, ensure that it is defined as such. Writable views are only necessary if you need to perform insert, update, or delete operations.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or consult with your SAP Basis or ABAP team for best practices regarding database views and their configurations.
  
  
  
  Related Information:
  
  Database Views: In SAP, database views are used to present data from one or more tables in a unified manner. Writable views must adhere to specific rules to ensure data integrity.
  Data Dictionary (SE11): This transaction allows you to create and manage database objects, including tables, views, and data elements.
  ABAP Development: If you are an ABAP developer, understanding how to create and manage database views is crucial for effective data handling in SAP applications.
  
  By following these steps, you should be able to resolve the DD_MT_SHARING_CHK001 error and ensure that your database view is correctly configured for the intended operations.